There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

This is a picture puzzle. You have to guess the name of the movie that can be related to the picture.

In a science lab, a petri dish hosts a healthy colony of yeast for an experiment. Now every minute, all the yeast cells divide into two. At noon, there was just a single cell of yeast and at 1:22, the Petri dish was half full. Can you calculate when the dish will be full of yeast?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

Keyboard words are not in alphabetical order, Why?

Can you circle exactly four of these numbers such that the total is twelve?

1 6 1
6 1 6
1 6 1
6 1 6

We can be boring,Or interesting.
We can be long,Or short.
We can have pictures,Or just words.
Many love us,But many also hate us.
What are we?

Why Aeroplane windows are round?

In the Thar desert, 3 men found a big 24L Jar is full of water. Since there is a shortage of water so they decided to distribute the water among themselves such that they all have equal amounts of it. But they only have a 13L, a 5L and an 11-litre Jar.

How do they do it?